Actor Robert De Niro, a partner in the Nobu restaurants and hotel, speaks during a ribbon-cutting ceremony at the Nobu Hotel and restaurant opening in Caesars Palace hotel and casino Feb. 2, 2013. Steve Marcus for USA TODAY

A model wears a dress of paper origami cranes during the ribbon-cutting ceremony. Taiko drummers perform at right. Steve Marcus for USA TODAY

Chef Nobu Matsuhisa sheaths a samurai sword, used in a ribbon-cutting ceremony at the Nobu Hotel and restaurant opening in Caesars Palace hotel and casino Feb. 2, 2013. Behind Matsuhisa are partners Meir Teper, left and actor Rober De Niro. Hotel/restaurant designer David Rockwell is at far right. Steve Marcus for USA TODAY

Chef Nobu Matsuhisa, center, cuts a ribbon with a samurai sword during a ribbon-cutting ceremony at the Nobu Hotel and restaurant. Steve Marcus for USA TODAY

Chef Nobu Matsuhisa, center, holds up a samurai sword used in a ribbon-cutting ceremony, at the entrance of the Nobu Hotel and restaurant in Caesars Palace hotel and casino Saturday, February 2, 2013. From left are: President of Caesars Entertainment Corp. Western Division Tom Jenkin, Meir Teper, Matsuhisa, CEO of Nobu Hospitality Trevor Horwell, actor Robert De Niro, Caesars Palace President Gary Selesner, and designer David Rockwell. Steve Marcus for USA TODAY

Partners Nobu Matsuhisa, left, Robert De Niro, center, and Meir Teper, a producer of the De Niro film 'Mistress' and Nobu Hospitality partner, kid around during an interview with USA TODAY in the Nobu Hotel at Caesars Palace. Steve Marcus for USA TODAY

Designer David Rockwell, left, founder and CEO of Rockwell Group, and Robert De Niro, a partner in the Nobu restaurant and hotel chain, chat before the opening of the Nobu restaurant in Caesars Palace hotel.
Steve Marcus for USA TODAY

Designer David Rockwell, left, founder and CEO of Rockwell Group, and Chef Nobu Matsuhisa pose at a teppanyaki dining area at the Nobu restaurant in Caesars Palace. Chefs cook for guests on a tabletop metal grill.
Steve Marcus for USA TODAY

The wooden entry to the 181-room Nobu Hotel merges into the 327-seat restaurant, now the largest Nobu in the world. Nobu Hotel via AP

Cheerful chef Nobu Matsuhisa poses in a dining area before the opening of the Nobu restaurant. Steve Marcus for USA TODAY

Chefs prepare the sushi bar before the opening of the Nobu restaurant.
Steve Marcus for USA TODAY

A view of the bar at the Nobu Restaurant and Lounge.
Steve Marcus for USA TODAY

A sea-bass appetizer to be eaten wrapped in a lettuce leaf awaits invitees at the opening party for the Nobu Hotel and restaurant in Caesars Palace. Steve Marcus for USA TODAY

Wood panels cover the walls and ceiling of the small lobby at the Nobu Hotel. Even elevators are lined with wood.
Steve Marcus for USA TODAY

An elevator access touch-screen is shown in the lobby of the Nobu Hotel. Wave your room key card under it, select your floor and up you go without pressing a button in the elevators.
Steve Marcus for USA TODAY

A view from a room at the Nobu Hotel in Caesars Palace. Rooms are in the former Centurion Tower.
Steve Marcus for USA TODAY

A tasseled privacy sign hangs on a door at the Nobu Hotel. Steve Marcus for USA TODAY

Guests at the Nobu Hotel check in inside their rooms, where tea and rice crackers from chef Nobu Matsuhisa's Japanese hometown are served. Steve Marcus for USA TODAY

A view of minibar snacks, including popcorn with toasted seaweed (nori), lower right, in a room at the Nobu Hotel. There's sake in the minibar also.
. Steve Marcus for USA TODAY

At turndown, French macarons are offered to guests at the Nobu Hotel. Steve Marcus for USA TODAY

A view of a standard room with king bed in the Nobu Hotel. Opening rates started at $249 a night.
Steve Marcus for USA TODAY

A view of a standard room with two queen beds in the Nobu Hotel.
Steve Marcus for USA TODAY

Traditional Japanese robes are offered for guest use at the Nobu Hotel. Steve Marcus for USA TODAY